Kyocera Mita KM-4530 Service Manual page 343

2BC/D
Connector Pin No.
CN7 1 CLOCK
2 G(5V)
Connected
3 START
to the
4 READY
polygon
motor
control PCB
(LSU).
CN8 1 G(5V)
2 BD-
Connected
3 BD+
to the BD
4 G(5V)
sensor PCB
5 5V
(LSU).
6 BDREF
CN9 1 G(5V)
2 /VD2-
Connected
3 /VD2+
to the LD
4 /VD1-
control PCB
6 /VD1+
(LSU).
7 /EN
8 G(5V)
9 /ADJUST2
10 G(5V)
11 /ADJUST1
12 G(5V)
13 5V
CN10 A1 BUZZER
A2 X1
Connected
A3 Y1
to the
A4 X2
operation
A5 Y2
unit left
A6 LCD FRAME
PCB and
A7 LCD LOAD
operation
A8 LCD CP
unit right
A9 LCD VSS(S.G)
PCB.
A10 LCD VDD(5V)
A11 LCD VSS(S.G)
A12 LCD DISP OFF
A13 LCD D0
A14 LCD D1
A15 LCD D2
A16 LCD D3
A17 VEE OFF
B1 NC
B2 NC
B3 LAMP OFF
B4 S.GND
B5 5V
B6 DIG LED 8
B7 DIG LED 7
B8 SCAN 8
B9 SCAN 7
B10 SCAN 6
B11 DIG KEY 9
B12 DIG KEY 8
B13 DIG KEY 7
B14 DIG KEY 6
B15 DIG KEY 5
B16 DIG KEY 4
2-3-8
Signal I/O Voltage
O 0 V/5.2 V DC (pulse) PM rotation control clock
- Ground
O 0 V/5.2 V DC
I 0 V/5.2 V DC
- Ground
I 0 V/5.2 V DC (pulse) Horizontal synchronized signal (-)
I 0 V/5.2 V DC (pulse) Horizontal synchronized signal (+)
- Ground
O 5.2 V DC
I 0 V/5.2 V DC
- Ground
O 0 V/5.2 V DC
O 0 V/5.2 V DC
O 0 V/5.2 V DC
O 0 V/5.2 V DC
O 0 V/5.2 V DC
- Ground
O 0 V/5.2 V DC
- Ground
O 0 V/5.2 V DC
- Ground
O 5.2 V DC
O 0 V/5.2 V DC
I 0 V to 5 V DC
I 0 V to 5 V DC
O 0 V to 5 V DC
O 0 V to 5 V DC
O -
O -
O 0 V/5.2 V DC (pulse) LCD drive clock
- ground
O 5.2 V DC
- -
O 0 V/5.2 V DC
O 0 V/5.2 V DC (pulse) LCD display data (0)
O 0 V/5.2 V DC (pulse) LCD display data (1)
O 0 V/5.2 V DC (pulse) LCD display data (2)
O 0 V/5.2 V DC (pulse) LCD display data (3)
O 0 V/C V DC
- -
- -
O 0 V/5.2 V DC
- Ground
O 5.2 V DC
O 0 V/5.2 V DC (pulse) LED drive signal 8
O 0 V/5.2 V DC (pulse) LED drive signal 7
O 0 V/5.2 V DC (pulse) LED scan signal 8
O 0 V/5.2 V DC (pulse) LED scan signal 7
O 0 V/5.2 V DC (pulse) LED scan signal 6
I 0 V/5.2 V DC (pulse) KEY return signal 9
I 0 V/5.2 V DC (pulse) KEY return signal 8
I 0 V/5.2 V DC (pulse) KEY return signal 7
I 0 V/5.2 V DC (pulse) KEY return signal 6
I 0 V/5.2 V DC (pulse) KEY return signal 5
I 0 V/5.2 V DC (pulse) KEY return signal 4
Description
Ground for PM control PCB (LSU)
PM: On/Off
PM rotation status: Stabilized/Not stabilized
Ground for BD sensor PCB (LSU)
Ground for BD sensor PCB (LSU)
Power supply for BD sensor PCB (LSU)
BD sensor PCB (LSU) control signal
Ground for LD control PCB (LSU)
Video data signal
Video data signal
Video data signal
Video data signal
LD output enable signal: Enable/Not enable
Ground for LD control PCB (LSU)
LD power adjust signal (2)
Ground for RSW
LD power adjust signal (1)
Ground for LD control PCB (LSU)
Power supply for LD control PCB (LSU)
Buzzer: On/Off
Touch panel detection voltage
Touch panel detection voltage
Touch panel detection voltage
Touch panel detection voltage
LCD control signal
LCD control signal
Ground for LCD (OPCB-L)
Power supply for LCD (OPCB-L)
Ground for LCD (OPCB-L)
LCD: On/Off
LCD power supply control signal
Not used
Not used
LCD back light: On/Off
Ground for OPCB-R
Power supply for OPCB-R